Add also deepbind

src/math/convolution.cc

@@ -35,7 +35,8 @@ inline void RegisterFunction(dl_handle lib, std::function<T>& function,
 class OnDemandFFTW {
  public:
   OnDemandFFTW() {
-    fftw_lib_ = dlopen("/usr/lib/x86_64-linux-gnu/libfftw3f.so.3", RTLD_LAZY);
+    fftw_lib_ = dlopen("/usr/lib/x86_64-linux-gnu/libfftw3f.so.3",
+                       RTLD_LAZY | RTLD_DEEPBIND);
     if (!fftw_lib_) {
       std::cerr << "Cannot load fftw library: " << dlerror() << std::endl;
       throw std::runtime_error("Cannot load fftw library");